Problems from The 2020 ICPC Vietnam National Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Astrological Sign0.003603391126337%2.6Easyen
Battle of Hogwarts0.06733106425824%5.5Harden
Cable Car0.002822915419%8.0Harden
Dividing Kingdom0.3416244168320%6.3Harden
Easy Arithmetic0.0816563266319%7.8Harden
Fluffy Cat0.0114322363716%8.0Harden
Greatest Pair0.47143478416121%5.7Harden
Highway to Mount Fansipan0.03347105428327%4.1Mediumen
Infinite 2D Array0.0445667418327%5.6Harden
Just Enough Water0.0042741513933%4.5Mediumen
Kingdom of Cats0.0047479922128%5.0Mediumen
Looping Around0.4718583024716%7.8Harden
Malfunctioning Robot0.0074138637727%3.9Mediumen